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Approved Pro
Approved Pro

Groundworks

Concrete Foundation Repair, Foundation, Basement or Crawlspace Waterproofing / Encapsulation, Concrete Injection Leveling Mudjacking,

About us

Groundworks specializes in helping homeowners with their residential and commercial foundation repair, basement waterproofing and wall repair, and concrete repair needs. Our top priority is providing high-quality home repair solutions and personalized service across the northwest Washington area. With fully trained technicians, industry-leading products, and nationally backed warranties, Groundworks is here to restore your foundation.

Business highlights

Emergency services offered
19 years of experience

Services we offer

Basement Waterproofing, Crawl Space Encapsulation, Crawl Space Repair, Insulation, Sump Pump Installation

Amenities

Emergency Services

Yes

Free Estimates

Yes

Warranties

Yes

Accepted Payment Methods

  • CreditCard
Reviews
4.716 Reviews
Number of StarsImage of DistributionNumber of Ratings
5
88%
4
6%
3
6%
2
0%
1
0%

Filter reviews by service

Showing 1-16 of 16 reviews
Barbara E.
Oct 2025
5.0
Inspection Service
We're so impressed with this company and its technicians! Joe Jimenez was polite, professional, well-spoken and friendly. He explained everything beautifully and we were happy to have him in our home.

Robert J.
Sep 2025
5.0
Foundation, Basement or Crawlspace Waterproofing / Encapsulation
$21,000
Great crew. Mkoma and Valdo were professional and courteous. They provided quality work and finished the job on time.

Pat S.
Sep 2025
5.0
Sump Pump or Interior Foundation Drains Installation
$43,800
The crew from Groundworks was amazing! Quick, efficient, and very professional. Esteban, Micheal, and Oscar did a great job and were friendly. Esteban did a superior job communicating everything to me including when they would arrive and leave the job and their daily progress. I would highly recommend this company if you need work done.

David L.
May 2025
5.0
Foundation, Basement or Crawlspace Waterproofing / Encapsulation
Tyler, Danny, & Juan were friendly, professional, and very efficient. They cleared out all the old insulation and rodent leavings under our house Friday in 4-5 hours. Monday they installed insulation, thick white plastic and sealed up the crawl space with a de humidifier and were done by 3:30pm

Vern J.
Dec 2024
5.0
Foundation, Basement or Crawlspace Waterproofing / Encapsulation
$17,000
Highly recommend. From my consultation with Kirsten to the the job with Wyatt and his crew of Tucker and Quevin, everything was done in a professional manner. If I owned the company these are the kind of employees I would want to have working for me!

Dale P.
Feb 2024
4.5
Foundation, Basement or Crawlspace Waterproofing / Encapsulation
Yes, I recommend this pro
Punctual and very communicative I am very happy how my project turned out! No more water in my basement!!

MIKE C.
Dec 2023
5.0
Foundation, Basement or Crawlspace Waterproofing / Encapsulation
Yes, I recommend this pro
Chris Hayes broke down everything single step for me. His attention to detail and the fact that he cared so much, he explained the good, the bad the ugly. He was outstanding. "The project was top notch. Robert and Jordan consistently showed up on time. Final project turned out great!"

Greg C.
May 2023
4.0
Foundation, Basement or Crawlspace Waterproofing / Encapsulation
Yes, I recommend this pro
$18,000
Happy so far with system

John B.
Apr 2023
4.5
Foundation, Basement or Crawlspace Waterproofing / Encapsulation
Yes, I recommend this pro
N A

Katheran F.
Oct 2022
4.5
Foundation, Basement or Crawlspace Waterproofing / Encapsulation
Yes, I recommend this pro
$26,000
Rainy Day Basement System from my very first contact to office manager, were to most responsive to questions and concerns. Ryan, my first contact was fantastic, Jessica was always available to answer questions and worked with the Swinomish Tribe (permitting agency) to get everything needed. Rainy Day Basement Systems is a company I would recommend to anyone looking for quality, not just in workmanship but also in customer satisfaction.

Nancy C.
Feb 2019
5.0
Foundation, Basement or Crawlspace Waterproofing / Encapsulation
Yes, I recommend this pro
Chis Burns broke down everything single step for me. His attention to detail and the fact that he cared so much, he explained the good, the bad the ugly. He was outstanding.

Dian B.
Feb 2019
5.0
Foundation, Basement or Crawlspace Waterproofing / Encapsulation
Yes, I recommend this pro
I interviewed 3 other company. The were by far the best at educating me. They are the best total solution.

Doug L.
Feb 2019
5.0
Foundation, Basement or Crawlspace Waterproofing / Encapsulation
Yes, I recommend this pro
We have been nothing but happy with them.

Jean B.
Feb 2019
5.0
Foundation, Basement or Crawlspace Waterproofing / Encapsulation
Yes, I recommend this pro
No comment.

Bradley O.
Feb 2019
5.0
Foundation, Basement or Crawlspace Waterproofing / Encapsulation
Yes, I recommend this pro
They did a great job. They accommodating our schedule Kevin, Brion, Cody and Jean Paul were all awesome.

Brian B.
Jul 2009
3.0
Foundation, Basement or Crawlspace Waterproofing / Encapsulation
Yes, I recommend this pro
Professional presentation and quotation provided.

Licensing

Insured

State Contractor License Requirements

All statements concerning insurance, licenses, and bonds are informational only, and are self-reported. Since insurance, licenses and bonds can expire and can be cancelled, homeowners should always check such information for themselves. To find more licensing information for your state, visit our Find Licensing Requirements page.

*Contact business to see additional licenses.

FAQ

Groundworks is currently rated 4.7 overall out of 5.

Monday: 4:00 AM - 8:00 PM Tuesday: 4:00 AM - 8:00 PM Wednesday: 4:00 AM - 8:00 PM Thursday: 4:00 AM - 8:00 PM Friday: 4:00 AM - 8:00 PM Saturday: 5:00 AM - 8:00 PM Sunday: 7:00 AM - 8:00 PM

Groundworks accepts the following forms of payment: CreditCard

Yes, Groundworks offers free project estimates.

No, Groundworks does not offer eco-friendly accreditations.

No, Groundworks does not offer a senior discount.

Yes, Groundworks offers emergency services.

Yes, Groundworks offers warranties.